Not sure whether this question was answered already, though I saw the same question.

Assume that we choose N (that is, K=14) as an encryption key in Caesarâ€™s cipher. What is the result Ci of the following (double) encryption

Ci = E (K,E(K, Mi)), where Mi is an arbitrary plaintext element?

Any suggestions on how to answer this question will be greatly appreciated. Thank you.

Assume that we choose N (that is, K=14) as an encryption key in Caesarâ€™s cipher. What is the result Ci of the following (double) encryption

Ci = E (K,E(K, Mi)), where Mi is an arbitrary plaintext element?

Any suggestions on how to answer this question will be greatly appreciated. Thank you.

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